TY - BOOK T1 - The Circumpolar Plants II Y1 - 1964 A1 - Hulten, Eric PB - Almqvist and Wiksell CY - Stockholm ER - TY - BOOK T1 - The Circumpolar Plants I Y1 - 1964 A1 - Hulten, Eric PB - Almqvist and Wiksell CY - Stockholm ER -